US Patent: 370,507
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Wrench
Improvements in Monkey Wrenches
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Patentee:
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| Vandiver J. Van Horn (exact or similar names) - Shannon, KS |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Feb. 25, 1887 |
| Granted: |
Sep. 27, 1887 |
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Patent Pictures:
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Vandiver J. Van Horn patent Sept. 27, 1887 |
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Stan Schulz
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Description: |
| The specifications claim an operational improvement over wrenches such as those in patents nos. 36,389, 168,360, and 274,545. In this patent, a compression spring between the adjusting collar and movable jaw allows for "ratchet" action when the long spring-form tail on the movable jaw is disengaged from the end of the adjusting collar. |
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